Meet an all-star cast of scientists who have secrets to share. Hosted by Faith Salie of NPR’s “Wait, Wait…Don’t Tell Me!,” the program features Museum curatorsMelanie Stiassny, an ichthyologist, and Mark Siddall, aparasitologist, as well as experimental psychologist Steven Pinker, and nanotech researcher Rich Robinson.

An initial sampling period conducted at the Museum this summer has provided the Healthy Human Microbiome Project with microbiome samples from individuals from more than 50 countries—and some fascinating preliminary results.